Series is formed by sequential multiplication by 2, 3, 4, 5, ... and subtraction of 3, 8, 13, 18, ....
5 x 2 - 3 = 7
7 x 3 - 8 = 13
13 x 4 - 13 = 39
39 x 5 - 18 = 177
177 x 6 - 23 = 1039
Correct Option 4)
A MAN IS LIKE A FRACTION WHOSE NUMERATOR IS WHAT HE IS AND WHOSE DENOMINATOR IS WHAT HE THINK ABOUT HIMSELF LARGER THE DENOMINATOR SMALLER THE FRACTION
UNKNOWN
I was x years old in the year x^2. (when asked his age.)